Creating variable names from values

[Otto Wyss <otto.wyss@xxxxxxxxxx>]

From an arry I create a table like

  foreach ($persons as $key => $pers) {
    echo "<td><input name=\"K$key\" type=\"checkbox\" ...></td>
          <td>...</td>
  }

so each checkbox field has its own name created from $key. Yet how can I 
access these fields (names) later on?

  foreach ($persons as $key => $pers) {
    if ($K???) {
      $cnt += 1; ...
    }
  }

Is there a better way to access multiple fields from a table?

O. Wyss

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